Rainbow-electronics MAX7313 Manual de usuario descargar pdf (Pagina 19)

MAX7313

16-Port I/O Expander with LED Intensity

Control and Interrupt

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Figure 16. Individual (or Global) Set to 15/16

MASTER INTENSITY TIMESLOT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

NEXT MASTER INTENSITY TIMESLOT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Figure 15. Individual (or Global) Set to 1/16

MASTER INTENSITY TIMESLOT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

NEXT MASTER INTENSITY TIMESLOT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Figure 17. Individual (or Global) Set to 16/16

MASTER INTENSITY TIMESLOT CONTROL IS IGNORED

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Table 11. PWM Intensity Settings (Blink Disabled)

PWM DUTY CYCLE

OUTPUT BLINK PHASE 0

PWM DUTY CYCLE

OUTPUT BLINK PHASE 0

OUTPUT

(OR

GLOBAL)

INTENSITY

SETTING

LOW TIME HIGH TIME

LED BEHAVIOR WHEN

OUTPUT BLINK PHASE 0

(LED IS ON WHEN

OUTPUT IS LOW)

LOW TIME HIGH TIME

LED BEHAVIOR WHEN

OUTPUT BLINK PHASE 0

(LED IS ON WHEN

OUTPUT IS LOW)

0x0 1/16 15/16 Lowest PWM intensity 15/16 1/16 Highest PWM intensity

0x1 2/16 14/16 14/16 2/16

0x2 3/16 13/16 13/16 3/16

0x3 4/16 12/16 12/16 4/16

0x4 5/16 11/16 11/16 5/16

0x5 6/16 10/16 10/16 6/16

0x6 7/16 9/16 9/16 7/16

0x7 8/16 8/16 8/16 8/16

0x8 9/16 7/16 7/16 9/16

0x9 10/16 6/16 6/16 10/16

0xA 11/16 5/16 5/16 11/16

0xB 12/16 4/16 4/16 12/16

0xC 13/16 3/16 3/16 13/16

0xD 14/16 2/16

 Increasing PWM intensity

2/16 14/16

Increasing PWM intensity 

0xE 15/16 1/16 Highest PWM intensity 1/16 15/16 Lowest PWM intensity

0xF Static low Static low

Full intensity, no PWM

(LED on continuously)

Static high

impedance

Static high

impedance

LED off continuously

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 25 26 27

Control and Interrupt 1

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Rainbow-electronics MAX7313 Manual de usuario Pagina 19

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